Sir As I am at present making up some Orders for London, & you some time since advised me to Send for Some Gunners Callipers of a Kind better adapted for use than those I had before received, one of which Sort you mentioned having in your hands, & Obligingly Offered to let me See it, To Enable me to forward a Description, I now take the freedom to Select the one for that Purpose, & will return you the Instrument in a day or two with thanks — If you Recollect any Other Military Instruments not readily Obtainable here, that you think might be Advisable, or me to procure, (Sets of Shell Gauges or any other) you will greatly Oblige me by your Advice — I am Sir, respectfully Your Most Obt. Serv. Truesday July 15. 1799 Thomas Biggs Samuel Hodgdon Esq^r [Address leaf: Samuel Hodgdon Esq^r / Present] [Endorsement, upside down: Received [undecipherable] / Nov. [undecipherable] / State Do[undecipherable] / from / [undecipherable]] [Endorsement, diagonal: [undecipherable] Alexander [undecipherable] / [undecipherable] 1799 [undecipherable] / fds [undecipherable] [undecipherable]]